In this Part -

"applicant" means an undertaking that submits a leniency statement under this Part;

"competent prosecuting authority" means- (a) in respect of civil proceedings under this Act, including proceedings under Parts 2C to 2H, the competent authority, (b) in respect of criminal proceedings in respect of an infringement of relevant competition law tried on indictment in accordance with section 8, the Director of Public Prosecutions, or (c) in respect of criminal proceedings in respect of an infringement of relevant competition law tried summarily in accordance with section 8, the competent authority or the Director of Public Prosecutions, as the case may be;

"immunity from administrative financial sanctions" means an exemption granted by a competent authority, in accordance with a leniency programme, from an administrative financial sanction that would otherwise be imposed on an undertaking for its participation in a cartel;